The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 11, 2023
Filed:
Jun. 08, 2017
Applicant:
Primetals Technologies Austria Gmbh, Linz, AT;
Inventors:
Thomas Eder, Traun, AT;
Robert Millner, Loosdorf, AT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B 1/21 (2006.01); C21B 13/00 (2006.01); F27D 17/00 (2006.01);
U.S. Cl.
CPC ...
C21B 13/0073 (2013.01); C21B 13/004 (2013.01); F27B 1/21 (2013.01); F27D 17/008 (2013.01);
Abstract
A method for direct reduction of metal oxide-containing starting materials to produce metallized material by contact with hot reduction gas in a reduction unit (), wherein the product of the direct reduction is discharged from the reduction unit () by means of a product discharge device () which is flushed with seal gas and from which vent gas is drawn and subsequently de-dusted. The vent gas is de-dusted dry and the content of at least one gaseous constituent is reduced by catalytic conversion or combustion. Also, a device for carrying out the method is disclosed.